French Phrase
Reste sur les routes principales.
Meaning
The sentence is a direct piece of advice: ‘Stay on the main roads.’ It is often used when giving navigation instructions, reminding someone to avoid side streets or shortcuts that might be unsafe or confusing.
When to use
Use this phrase when you are guiding a driver, a cyclist, or a pedestrian, especially in unfamiliar towns, during a road‑trip, or when you want to emphasize safety by staying on well‑known, well‑maintained routes.
✦Grammar Breakdown
Restesurlesroutesprincipales
Imperative (tu)
‘Reste’ is the second‑person singular imperative of the verb *rester* (to stay). Use it in informal contexts.
Preposition *sur*
*Sur* means ‘on’ or ‘upon’; it introduces the location where the action should happen.
Noun + adjective order
In French, most adjectives follow the noun. *Routes principales* = ‘main roads’, with the adjective *principales* placed after the plural noun *routes*.
Article agreement
The definite article *les* agrees in number (plural) with *routes*.
🗨In Conversation
Reste sur les routes principales.
Stay on the main roads.
D'accord, je suivrai les panneaux d'autoroute.
Okay, I’ll follow the highway signs.
✕Common Mistakes
Restez sur les routes principale.
Mixes formal ‘Restez’ with a singular adjective; also *principale* should be plural *principales* to match *routes*.
Reste sur le routes principales.
The article *le* is singular; it must be the plural *les* to agree with *routes*.
Reste sur les route principales.
The noun *route* is missing the plural *s*; it should be *routes*.
↔Alternatives
Reste sur les voies principales.
Stay on the main lanes.
Prends les routes principales.
Take the main roads.
Reste sur les routes principales, s'il te plaît.
Please stay on the main roads.
Cultural Tip
In France, ‘routes principales’ often refer to *routes nationales* (RN) or major departmental roads, while the high‑speed highways are called *autoroutes*. If you’re speaking to someone you don’t know well, switch to the formal imperative ‘Restez’ to show politeness.

